Hitachi CP X955 E Service Manual

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Hitachi CP X955 E Service Manual

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Page 1

HITACHI YK No. 0490E

CP-X955W
SERVICE MANUAL CP-X955E

r Caution

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Be sure to read this manual before servicmg. To assure safety from tire, electric shock, INJUI'y, harmful radiation
and materials, various measures are provided in this Hitachi liquid crystal protector. Be sure to read cautionary
items described In the manual to maintain safety before sen/loing.

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r Service Warning

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. When replace the lamp, to av0id burns to yourtingers. The lamp becomes too hot.

1

2, Never touch the lamp bulb with a finger or anything else. Never drop it or give it a shock. They may cause
bursting of the bulb.

3. This proiector is prowded with a high voltage Circuit for the lamp. Do not touch the electric parts of power
unit (main), when turn on the proiector.

4. Do not touch the exhaust fan, during operation.

5. The LCD module ass'y is likely to be damaged. If replacing to the LCD module ass'y, do not hold the FPC ot
the LCD module assy.

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, Contents a
1. Features ................................................... 2 8- BIOCk diagram .......................................... 22

2_ Specifications ............................................. 2 9 Wiring diagram ...........
3, Names of each part ---------------------------------- 3 10. Been: circuit diagram -----
4. Adjustment ------------------- 7 11. Connector Connection diagram ------------------ 41
5. Troubleshooting --------------------------------------- 1O 12. Disassembly diagram -------------
6_ Service DOInIS ..................................... 18 13 Replacement Parts SI .............................. 45
7. Dust cleaning ............................ .21

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SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.

Liquid Crystal Projector

October 1998 Image & Information Media Systems Division Yokohama Operation

Page 2

CP-X955W
CP-X955 E

1. Features

) 1.8" polysilicon liqUid crystal panel

) 150w UHB lamp

> Video Input compatible with NTSC/PAL/SECAM Video signals

b RGB Input compatible with IBM® PCs, Macintosh® and NEC® P098 computer signals
} Power zoom and powerfocus

D 2 VIDEO IN systems, 2 RGB IN systems, and 1 RGB OUT system

V RSZS2C communication

b Mouse emulation

2. Specifications

. Drive system TFT active matrix
:::;T crystal Panel size 1.3inches
Number of pixels 1024 (H) x 768 (V)
Lamp UHB lamp 150W
System NTSC , 4.43NTSC , PAL , M-PAL , or SECAM
Composite 1.0Vp-p (759 termination)
Video input Level Y/C Y : 1.0Vp-p (759 termination)
C : 0.286Vp-p (NTSC burst Signal, 759 termination)
0.3Vp-p (PAL/SECAM burst Signal, 759 termination)
Analo RGB in ut
PIGB input/ Video signal 0.7Vp?p (759 tzrmination)
OUtPUt Sync Signal HN separate or HN composite,
TTL level
Input 200mVrms, 20m or less
Audio
Output O~200mVrms, 1kg
Speaker output 2W + 2W (stereo)
Power supply AC100~120V/2.9A,A0220~24OV/1.3A (50/60Hz)
Power consumption 250W
Dimensions 404 (W) x 162 (H) x 312 (D) mm
Weight 8kg
Temperature range Operation : 0~35°Cl
Storage : ~20~60 C
Remote control RGB Signal cable --------------------- 1
Batteries LR6 ........................... 2 Video/Audio Cable .................. 1
ACCeSSOrIeS Power Cord .............................. 3 Mouse Cable ........................... 3
Stereo mini cable -------------------- 1 S-Video cable -
MAC adapter ........................... 1